Citazione Stile APA (7a Edizione)

Ruby, R. J., & Roberts, D. (1985). Micronumerics: Applications and exercises. Science Research Associates.

Citazione stile Chigago Style (17a edizione)

Ruby, Ralph Jr., e Don Roberts. Micronumerics: Applications and Exercises. Chicago: Science Research Associates, 1985.

Citatione MLA (9a ed.)

Ruby, Ralph Jr., e Don Roberts. Micronumerics: Applications and Exercises. Science Research Associates, 1985.